"""
Django settings for backend project.

Generated by 'django-admin startproject' using Django 3.2.9.

For more information on this file, see
https://docs.djangoproject.com/en/3.2/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/3.2/ref/settings/
"""

import os
from pathlib import Path

from dotenv import load_dotenv

load_dotenv()

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.getenv('SECRET_KEY', default='django-insecure-!muva3jc=a2p8mblp1!bpw-%b^u4u*p&mz16b-puo$aqlqj465')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.getenv('DEBUG')


def comma_separated_list(value: str) -> list:
    return [x.strip() for x in value.split(',') if x.strip()]


ALLOWED_HOSTS = comma_separated_list(os.getenv('ALLOWED_HOSTS', default=''))

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'colorfield',
    'rest_framework',
    'rest_framework.authtoken',
    'djoser',
    'django_filters',
    'corsheaders',
    'users.apps.UsersConfig',
    'api.apps.ApiConfig',
    'foodgram.apps.FoodgramConfig',
]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'backend.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'backend.wsgi.application'

# Database
# https://docs.djangoproject.com/en/3.2/ref/settings/#databases

# DATABASES = {
#     'default': {
#         'ENGINE': 'django.db.backends.sqlite3',
#         'NAME': BASE_DIR / 'db.sqlite3',
#     }
# }

DATABASES = {
    'default': {
        'ENGINE': os.environ.get('DB_ENGINE',
                                 default='django.db.backends.postgresql'),
        'NAME': os.environ.get('DB_NAME'),
        'USER': os.environ.get('POSTGRES_USER'),
        'PASSWORD': os.environ.get('POSTGRES_PASSWORD'),
        'HOST': os.environ.get('DB_HOST'),
        'PORT': os.environ.get('DB_PORT'),
    }
}

# Password validation
# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

# Internationalization
# https://docs.djangoproject.com/en/3.2/topics/i18n/

LANGUAGE_CODE = 'ru-ru'

TIME_ZONE = 'Europe/Moscow'

USE_I18N = True

USE_L10N = True

USE_TZ = True

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.2/howto/static-files/

STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'static')

MEDIA_URL = "/media/"
MEDIA_ROOT = os.path.join(BASE_DIR, "media")

CORS_ORIGIN_ALLOW_ALL = True
CORS_URLS_REGEX = r'^/api/.*$'

REST_FRAMEWORK = {
    'DEFAULT_AUTHENTICATION_CLASSES': (
        'rest_framework.authentication.TokenAuthentication',
    ),
    'DEFAULT_PERMISSION_CLASSES': [
        'rest_framework.permissions.IsAuthenticatedOrReadOnly',
    ],
}

DJOSER = {
    'LOGIN_FIELD': 'email',
    'HIDE_USERS': False,
    'SERIALIZERS': {
        'user_create': 'users.serializers.CustomUserCreateSerializer',
        'user': 'users.serializers.CustomUserSerializer',
        'current_user': 'users.serializers.CustomUserSerializer',
    },
    'PERMISSIONS': {
        'user': ('rest_framework.permissions.IsAuthenticated',),
        'user_list': ('rest_framework.permissions.AllowAny',)
    }
}

# Default primary key field type
# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
